Biology 1201 exam - Study guides, Class notes & Summaries

Of the following functions, which is most important for the glycoproteins and glycolipids of animal cell membranes? A)facilitated diffusion of molecules down their concentration gradients B)active transport of molecules against their concentration gradients C)maintaining the integrity of fluid mosaic membrane D)maintaining membrane at low temperatures E)a cell's ability to distinguish one type of neighboring cell from another - Answer-E)a cell's ability to distinguish one type of neighbor...

Biology 1201 Exam 1 Questions and Answers Already Passed About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? Carbon, Hydrogen, Nitrogen, Oxygen What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? 6 Which of these refers to atoms with the same atomic number but different atomic masses? Isotopes Fluorine's atomic number is 9 and its atomic mass is 19. ...

Biology 1201 Final Exam Moroney LSU Questions With 100% Correct Solutions.

Biology 1201 Exam 1 Questions With Verified Answers About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? Carbon, Hydrogen, Nitrogen, Oxygen What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? 6 .Which of these refers to atoms with the same atomic number but different atomic masses? Isotopes Fluorine's atomic number is 9 and its atomic mass is 19. How...

LSU Biology 1201 exam 2- pomarico course requirement exam solution

Biology 1201 Exam 3 with Certified Solutions One gene-one enzyme hypothesis (figure 17.2) genes code for enzymes Flow of information from DNA to RNA to protein (figure 17.3 and 17.4) DNA --- [transcription]---> mRNA ---[translation]---> Poypeptide RNA structure versus DNA structure (figure 5.26) deoxyribose is replaced by the 5 carbon sugar, ribose in DNA, the pyrimidines are C and T in RNA, the pyrimidines are C and U; in RNA, U pairs with A Transcription, RNA polymeras...

LSU biology 1201 exam #1 course requirement trial exam solution

LSU Biology 1201 Exam 2 complete questions and answers

Biology 1201 Exam 2 with complete solutions

organisms are composed of _______________ matter anything that takes up space and has mass matter a substance that cannot be broken down to other substances by chemical reactions example: hydrogen element a substance consisting of two or more elements in a fixed ratio example: water (H2O) compound the smallest unit of matter that still retains the properties of an element atom